Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung ho le snippets" » "nhung hoc le snippets", "nhung kho le snippets", "nhung nho le snippets", "nhung hon le snippets", "nhung hao le snippets", "nhung do le snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nhung ho le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung ho le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung ho le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung ho le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.